After ten years of separation in the mountains, the orphan girl Xin'er became the cold-blooded killer "Red Luo". In order to fulfill her so-called promise, she was arranged to marry into the East Palace, but unexpectedly bumped into the prince Xiao Mochen who had protected her.
He is not cold-blooded and ruthless as rumored, but is as gentle as jade and gentle at every step. She probed step by step, and he treated her gently. The two of them were pulled to the limit in this whirlpool of power. When the conspiracy behind the substitute marriage gradually comes to light, and the layers of disguise are peeled off by gentleness, the orphan killer and the gentle prince finally recognize each other in the bloody storm and reveal the truth of their fate.
